CN102303055A - Combined core rod and method for stretching pipe - Google Patents
Combined core rod and method for stretching pipe Download PDFInfo
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- CN102303055A CN102303055A CN201110275256A CN201110275256A CN102303055A CN 102303055 A CN102303055 A CN 102303055A CN 201110275256 A CN201110275256 A CN 201110275256A CN 201110275256 A CN201110275256 A CN 201110275256A CN 102303055 A CN102303055 A CN 102303055A
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- plug
- plug assembly
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Abstract
The embodiment of the invention discloses a combined core rod and a method for stretching a pipe, which are used for stretching the pipe. The combined core rod in the embodiment of the invention comprises a first core rod component and a second core rod component, wherein a fitting surface is formed on each of the first core rod component and the second core rod component; and the fitting surface of the first core rod component and the fitting surface of the second core rod component are buckled together to form a core rod which is used for stretching the pipe, and the cross section diameter of the formed core rod is smaller than that of the inner cavity of the pipe which is needed to be stretched.
Description
Technical field
The present invention relates to the mechanized equipment field, relate in particular to a kind of method that makes up plug and stretching tubing.
Background technology
In the industrial circle, metal pipe material is when tension straingtening, and the inner chamber of metal pipe material need be filled the diameter solid whole plug suitable with pipe internal diameter, and the material of plug generally also is a metal material.
For big specification tubing, because the plug quality is big, the manpower difficulty or ease are competent during carrying, will take time and effort and be prone to security incident with plant equipment auxiliary operations such as overhead traveling cranes usually, and efficient is very low.
Summary of the invention
The embodiment of the invention provides a kind of combination plug, in order to stretching tubing, and convenient carrying, more safe and reliable.
The combination plug that the embodiment of the invention provides comprises: the first plug assembly, the second plug assembly; Said first plug assembly and the said second plug assembly are equipped with mating surface; The mating surface of said first plug assembly and the said second plug assembly snaps together; Form plug and be used to the tubing that stretches, the cross-sectional diameter of said plug is less than the inner chamber cross-sectional diameter of need stretching tubing.
The method of the stretching tubing that the embodiment of the invention provides comprises: will make up the second plug assembly in the plug and insert in the tubing that needs to stretch; The first plug assembly is placed on the said second plug assembly, snap together composition combination plug through the guide-localization groove of the said first plug assembly and the guide-localization boss of the said second plug assembly; Said combination plug is pushed in the said tubing, said tubing is stretched.
Can find out from above technical scheme; The embodiment of the invention has the following advantages: the combination plug is made up of the first plug assembly and second plug assembly two parts; This combination plug is used to the tubing that stretches; The mating surface of the first plug assembly and the second plug assembly can snap together; Form the plug that complete stretching tubing is used; The cross-sectional diameter of this plug must be less than the inner chamber cross-sectional diameter of the tubing of required stretching; Just can accomplish drawing pipe; Therefore, for the need stretching tubing of big specification, because plug is a combined type; Can be divided into two parts plug assembly carries; Be convenient to operation, and safe and reliable, high efficiency.
Description of drawings
Fig. 1 is an embodiment sketch map of the combination plug in the embodiment of the invention;
Fig. 2 is another embodiment sketch map of the combination plug in the embodiment of the invention;
Fig. 3 is an embodiment sketch map of the method for the stretching tubing in the embodiment of the invention;
Fig. 4 will make up the overall structure sketch map after plug pushes required stretching tubing in the embodiment of the invention.
The specific embodiment
The embodiment of the invention provides a kind of method that makes up plug and stretching tubing, is used to the tubing that stretches.See also Fig. 1, one embodiment comprises of the combination plug in the embodiment of the invention:
The first plug assembly, 101, the second plug assemblies, 102, the first mating surfaces, 103, the second mating surfaces 104;
Wherein, the first plug assembly 101 is provided with that first mating surface, 103, the second plug assemblies 102 are provided with second mating surface, 104, the first mating surfaces 103 and second mating surface 104 snaps together, and becomes the combination plug, the tubing that diameter of this combination plug stretches less than need.
In the embodiment of the invention; The combination plug is made up of the first plug assembly and second plug assembly two parts; This combination plug is used to the tubing that stretches; The mating surface of the first plug assembly and the second plug assembly can snap together; Form the plug that complete stretching tubing is used; The cross-sectional diameter of this plug must be less than the inner chamber cross-sectional diameter of the tubing of required stretching; Just can accomplish drawing pipe; Therefore, for the need stretching tubing of big specification, because plug is a combined type; Can be divided into two parts plug assembly carries; Be convenient to operation, and safe and reliable, high efficiency.
For ease of understanding, with another embodiment the combination plug in the embodiment of the invention is elaborated below, see also Fig. 2, another enforcement of the combination plug in the embodiment of the invention comprises:
The first plug assembly, 201, the second plug assemblies, 202, the first mating surfaces, 203, the second mating surfaces 204, guide-localization groove 205, guide-localization boss 206, loss of weight passage 207, loss of weight groove 208, guiding surface 209, loss of weight inclined-plane 210;
Wherein, On first mating surface 203 of the first plug assembly 201 guide-localization groove 205 is arranged; On second mating surface 204 of the second plug assembly 202 guide-localization boss 206 is arranged; Guide-localization groove 205 and guide-localization boss 206 size couplings; Can be tight snap together becomes the combination plug; The cooperation of the first plug assembly 201 and the second plug assembly 202 is by guide- localization groove 205 and 206 controls of guide-localization boss; Make flexible operation, accurate; For ease of subsequent operation, the tubing that the diameter of this combination plug stretches less than need is more than 3 millimeters.
The inside of the first plug assembly 201; And radially all there is a loss of weight passage 207 inside of the second plug assembly 202; Loss of weight passage 207 is the passage of a hollow; Effect is weight reduction; More than two loss of weight passages 207 along the combination plugs radially; Be opened on respectively on the end face at two ends of the first plug assembly 201, and on the end face at the two ends of the second plug assembly 202.
The first plug assembly 201 reaches the second plug assembly 202 and is provided with a plurality of loss of weight grooves 208, and loss of weight groove 208 lays respectively on first mating surface 203 of the first plug assembly 201, and on second mating surface 204 of the second plug assembly 202.
Need to prove that being provided with of the loss of weight groove quantity of combination plug can be according to the length of combination plug in the embodiment of the invention, quality and actual needs are provided with, and do not do concrete qualification here.
The first plug assembly 201 and the second plug assembly 202 are equipped with guiding surface 209; This guiding surface 209 lays respectively at an end of the first plug assembly 201 and the second plug assembly 202 outer surface when snapping together, and the effect of guiding surface 209 is to make the tubing that needs to stretch be easier to be inserted in the combination plug.
The both sides of the first plug assembly 201 and the second plug assembly 202 are loss of weight inclined-plane 210; And the angle between the loss of weight inclined-plane 201 and first mating surface 202 or second mating surface 204 is greater than 90 °; Make the plug materials used still less; Thus, loss of weight inclined-plane 210 can better play the effect of weight reduction.
In the embodiment of the invention; The combination plug is made up of the first plug assembly and second plug assembly two parts; This first plug assembly and this second plug assembly; Snap together through guide-localization groove on the mating surface and guide-localization boss; Form the plug that complete stretching tubing is used; The cooperation of this first plug assembly and this second plug assembly makes flexible operation, accurate by guide-localization groove and the control of guide-localization boss.And the cross-sectional diameter of this plug must be less than the inner chamber cross-sectional diameter of the tubing of required stretching; Just can accomplish drawing pipe; At the first plug assembly and the second plug component internal loss of weight passage is arranged all radially; Be used to alleviate the weight of combination plug; And the first plug assembly and the second plug assembly are provided with a plurality of loss of weight grooves; Be used for further alleviating the weight of combination plug; The both sides of the first plug assembly and the second plug assembly are the loss of weight inclined-plane; Angle between the loss of weight inclined-plane and first mating surface or second mating surface is greater than 90 °; Make combination plug material therefor still less; Handle through above-mentioned loss of weight; 1/4 of the not enough whole plug weight of weight difference of the first plug assembly and the second plug assembly; Weight loss effect very significantly; In addition; The first plug assembly and the second plug assembly are equipped with guiding surface, and this guiding surface lays respectively at an end of the first plug assembly and the second plug assembly outer surface when snapping together, and makes the tubing that needs to stretch be easier to be inserted in the combination plug.
Introduce the method for the stretching tubing in the present invention's enforcement below, see also Fig. 3, the method embodiment of the stretching tubing during the present invention implements comprises:
301, will make up the second plug assembly in the plug inserts in the tubing that needs to stretch;
Among the present invention, at first will make up the second plug assembly in the plug, the plug assembly that promptly is arranged in the below is positioned over the tubing that needs stretching.
302, the first plug assembly is placed on this second plug assembly, fasten through the guide-localization groove of this first plug assembly and the guide-localization boss of this second plug assembly;
To make up the tubing that the second plug assembly that is arranged in the below in the plug is inserted needs stretching earlier; The first plug assembly that will be positioned at the top again is as on the second plug assembly; Snap together through the guide-localization boss that is provided with on the guide-localization groove that is provided with on this first plug assembly and this second plug assembly and to form the combination plug; The tubing that the diameter of this combination plug stretches less than need is more than 3 millimeters, thereby is easy to push tubing or from tubing, takes out.
303, will make up plug and push in the tubing, carry out drawing pipe;
The first plug assembly and the second plug assembly snap together forms the combination plug, will not make up the tubing the inside that plug pushes required stretching fully, takes out with convenient, and the combination mandrel segment that stays certain-length carries out drawing pipe afterwards outside tubing.
See also Fig. 4; Fig. 4 will make up the structural representation that plug pushes required stretching tubing in the embodiment of the invention; The first plug assembly 401 and the second plug assembly 402 fasten forms the combination plug; Wherein, Loss of weight passage 404; Loss of weight inclined-plane 405; Loss of weight groove 406 lays respectively on the first plug assembly 401 and the second plug assembly 402; Be used to alleviate the weight of combination plug; To make up plug pushes in the tubing 403; The combination mandrel segment that stays certain-length conveniently takes out outside the tubing 403 of required stretching.
304, the outer combination mandrel segment of tubing is stayed in clamping, takes out the first plug assembly and takes out the second plug assembly more afterwards, or the first plug assembly and the second plug assembly are taken out in the lump.
Behind drawing pipe, the outer combination mandrel segment of tubing is stayed in clamping, take out the first plug assembly after; Take out the second plug assembly again; Perhaps, the outer combination mandrel segment of tubing is stayed in clamping, and the first plug assembly and the second plug assembly are done as a whole taking-up.
In the embodiment of the invention; The second plug assembly in the combination plug is inserted in the tubing that needs to stretch; The first plug assembly is placed on this second plug assembly; Fasten by the guide-localization groove of this first plug assembly and the guide-localization boss of this second plug assembly; The combination plug is pushed in the tubing that needs to stretch; Carry out drawing pipe; The combination mandrel segment that stays certain-length is outside the tubing of required stretching; In the time will making up plug and from the tubing that need stretch, take out; The combination mandrel segment outside the tubing that needs to stretch is stayed in clamping; Take out the second plug assembly again after taking out the first plug assembly; Or the first plug assembly and the second plug assembly taken out in the lump; Be divided into the first plug assembly and the second plug assembly with the completion drawing pipe owing to will make up plug; The weight of decomposing plug; Be easier to manually-operated, reduce the security incident incidence.
It will be appreciated by those skilled in the art that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be stored in a kind of computer-readable recording medium; The above-mentioned storage medium of mentioning can be a read-only storage, disk or CD etc.
More than a kind of method that makes up plug and stretching tubing provided by the present invention has been carried out detailed introduction; For those skilled in the art; Thought according to the embodiment of the invention; Part all can change on the specific embodiment and range of application; In sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. a combination plug is characterized in that, comprising:
The first plug assembly, the second plug assembly;
Said first plug assembly and the said second plug assembly are equipped with mating surface; The mating surface of said first plug assembly and the said second plug assembly snaps together; Form plug and be used to the tubing that stretches, the cross-sectional diameter of said plug is less than the inner chamber cross-sectional diameter of need stretching tubing.
2. combination plug according to claim 1 is characterized in that,
The guide-localization groove is arranged on the mating surface of the said first plug assembly, the guide-localization boss is arranged on the mating surface of the said second plug assembly, said guide-localization groove and said guide-localization boss size coupling.
3. combination plug according to claim 1 and 2 is characterized in that,
Radially all there is the loss of weight passage of a hollow inside of said first plug assembly and the said second plug assembly, and the opening of said loss of weight passage lays respectively on the end face at said first plug assembly and the said second plug assembly two ends.
4. combination plug according to claim 3 is characterized in that,
Said first plug assembly and the said second plug assembly are provided with a plurality of loss of weight grooves, and said loss of weight groove is positioned on the mating surface of said first plug assembly and the said second plug assembly.
5. combination plug according to claim 4 is characterized in that,
Said first plug assembly and the said second plug assembly are equipped with guiding surface, and said guiding surface lays respectively at an end of the said first plug assembly and the said second plug assembly outer surface when snapping together.
6. combination plug according to claim 4 is characterized in that,
The both sides of said first plug assembly and the said second plug assembly are the loss of weight inclined-plane, and the angle between loss of weight inclined-plane and the mating surface is greater than 90 °.
7. the method for the tubing that stretches is characterized in that, comprising:
The second plug assembly in the combination plug is inserted in the tubing that needs to stretch;
The first plug assembly is placed on the said second plug assembly, snap together composition combination plug through the guide-localization groove of the said first plug assembly and the guide-localization boss of the said second plug assembly;
Said combination plug is pushed in the said tubing, said tubing is stretched.
8. method according to claim 7 is characterized in that, the said plug that will make up pushes in the said tubing, and said tubing is stretched to be comprised:
Said combination plug is pushed in the said tubing, and the combination mandrel segment that stays certain-length stretches said tubing outside said tubing.
9. according to claim 7 or 8 described methods, it is characterized in that, comprise after said tubing is stretched:
The outer combination mandrel segment of said tubing is stayed in clamping, takes out after the said first plug assembly, takes out the said second plug assembly again, or said first plug assembly and the said second plug assembly are taken out in the lump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110275256A CN102303055A (en) | 2011-09-16 | 2011-09-16 | Combined core rod and method for stretching pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110275256A CN102303055A (en) | 2011-09-16 | 2011-09-16 | Combined core rod and method for stretching pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102303055A true CN102303055A (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110275256A Pending CN102303055A (en) | 2011-09-16 | 2011-09-16 | Combined core rod and method for stretching pipe |
Country Status (1)
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| CN (1) | CN102303055A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513795A (en) * | 2018-12-29 | 2019-03-26 | 西南铝业（集团）有限责任公司 | A kind of space flight super large-scale profile tension straingtening equipment and filling member |
| CN109513794A (en) * | 2018-12-29 | 2019-03-26 | 西南铝业（集团）有限责任公司 | A kind of aviation big specification hollow profile tension straingtening equipment and its plug |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196607A (en) * | 1978-04-03 | 1980-04-08 | Uop Inc. | Tube reduction apparatus with integral means for sensing wall thickness during a high speed tube drawing operation |
| CN87210035U (en) * | 1987-07-17 | 1988-12-14 | 国营七八四厂 | Component model cores for making rectangle noundel wave guide |
| CN201385052Y (en) * | 2009-03-13 | 2010-01-20 | 湖南西湖电线电缆有限公司 | Double-valve mold core for high-voltage cable |
| CN202238980U (en) * | 2011-09-16 | 2012-05-30 | 西南铝业（集团）有限责任公司 | Combined mandril |
-
2011
- 2011-09-16 CN CN201110275256A patent/CN102303055A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196607A (en) * | 1978-04-03 | 1980-04-08 | Uop Inc. | Tube reduction apparatus with integral means for sensing wall thickness during a high speed tube drawing operation |
| CN87210035U (en) * | 1987-07-17 | 1988-12-14 | 国营七八四厂 | Component model cores for making rectangle noundel wave guide |
| CN201385052Y (en) * | 2009-03-13 | 2010-01-20 | 湖南西湖电线电缆有限公司 | Double-valve mold core for high-voltage cable |
| CN202238980U (en) * | 2011-09-16 | 2012-05-30 | 西南铝业（集团）有限责任公司 | Combined mandril |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513795A (en) * | 2018-12-29 | 2019-03-26 | 西南铝业（集团）有限责任公司 | A kind of space flight super large-scale profile tension straingtening equipment and filling member |
| CN109513794A (en) * | 2018-12-29 | 2019-03-26 | 西南铝业（集团）有限责任公司 | A kind of aviation big specification hollow profile tension straingtening equipment and its plug |
| CN109513794B (en) * | 2018-12-29 | 2024-01-19 | 西南铝业（集团）有限责任公司 | Large-specification hollow profile stretching and straightening equipment for aviation and core rod thereof |
| CN109513795B (en) * | 2018-12-29 | 2024-03-15 | 西南铝业（集团）有限责任公司 | Ultra-large-size section bar stretching and straightening equipment for spaceflight and filling piece |
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Application publication date: 20120104 |